Question

You shake hand with your friend Name the two forces that come into play during the moment you shake hand​

Answer 1

Answer:

When you shake hands with your friend since you hand doesn't merge with your friend's :-)

Hence there is contact stresses. Next is the shaking movement by shoulder muscles which when synchronized with your friends movement gives least load else there is the feeling of dead weight or in scientific terms a lagging or leading force hope you could visualize it

Nice question though:-)

Best way to know is if you really want to know chase your intuition and know which force is there by just applying that force

Answer 2

Answer:

Gravitational force:while shaking your hands downwards

Friction:when you shake hands in upward direction against gravitational force.